Excerpt from A Treatise on the Diseases of the Nervous System Diseases of the nervous system, like those of the heart, lungs, and larynx, require Special means of investigation and treatment. In no department of medical science has progress been more decided during the last decade than in that class of affections considered in this trea tise, and undoubtedly a great deal of the advancement is due to the instruments and apparatus by Which scientific research in this direction has become practicable. In the present chapter I propose to describe the instruments and apparatus employed in the diagnosis and treatment of diseases of the nervous system, and to explain the methods by Which they are used. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.